337results about How to "Precise position control" patented technology

The invention discloses an in-situ test method based on shield butt joint curtain grouting, which realizes complete circle crossing of grout injected from each pipeline by designing the arrangement circle number and length of curtain grouting pipelines, and ensures that the surrounding rock grouting reinforcement range meets the design requirement by adopting the minimum number of curtain grouting pipelines, so that a surrounding rock water system channel is fully filled, and the construction period is shortened. A stable water-free environment is provided for subsequent excavation, and the problems that in the prior art, a theoretical calculation basis is lacked, the shield butt joint section surrounding rock reinforcing range is affected, the slurry crossing quality problem is caused by too large pipeline spacing arrangement, and the reinforcing and water stopping effect of butt joint section surrounding rock is remarkably affected are effectively solved. Meanwhile, a sensor is preset in a drilling hole within the grouting range, formation pressure response caused by grout pressure and formation temperature change caused by grout hydration heat in the grouting process are monitored in real time, and data support is provided for selection of grouting parameters in a formation grouting reinforcement project.

The invention discloses a building concrete construction vibrating device and method, and relates to the technical field of concrete vibrating. The device comprises a supporting frame, and further comprises a movement adjusting unit and a vibration adjusting unit which are arranged on the supporting frame; the moving adjusting unit comprises a moving assembly and a plurality of vibrating assemblies, and a plurality of vibrating rods are arranged in the vibrating assemblies; the vibration adjusting unit comprises an angle adjusting assembly and a distance adjusting assembly. The vibrating device has the advantages that the inclination angles and the intervals of the vibrating rods can be flexibly adjusted according to the concrete pouring thickness and the concrete pouring position in practical application, the angles, the depths and the positions of the vibrating rods inserted into the concrete can be accurately controlled, and the vibrating efficiency is greatly improved by adopting a vibrating mode of quick insertion, slow pulling and timing. According to the concrete vibrating device, concrete can be vibrated carefully, equal-interval insertion point type distributed vibration can be achieved according to the pouring characteristic of the concrete, the situation of over-vibration or vibration leakage can be effectively avoided, and the vibrating effect is better.

The invention belongs to the technical field of cable winding, and particularly relates to automatic winding equipment and a method thereof.The automatic winding equipment comprises a workbench, the upper surface of the workbench is fixedly connected with two supporting plates, one side of one supporting plate is fixedly connected with a first motor, the output end of the first motor is connected with a fixing roller in a clamped mode, and the output end of the fixing roller is connected with a second motor in a clamped mode; a fixing assembly is arranged on the upper surfaces of the two supporting plates, the fixing assembly comprises a top plate fixedly connected to the upper surfaces of the two supporting plates, two first guide rails are fixedly connected to the lower surface of the top plate, first guide blocks are slidably connected into the two first guide rails, and a fixing rod is fixedly connected to the lower surface of each first guide block; and the sides, close to each other, of the two fixing rods are fixedly connected with cutters, and through the structures of the clamping assembly, the glue dripping assembly and the like, the problems that due to the fact that the cut-off end of a cable needs to be independently fixed every time, the time consumed in the fixing and disassembling process is long, a large amount of working time is wasted, and the winding efficiency is low are solved.

The invention discloses a purification device for producing electronic-grade hydrofluoric acid, which relates to the technical field of hydrofluoric acid production, and comprises a rectifying tower body, tower plates movably connected in the rectifying tower body at equal intervals, overflow weirs fixedly connected on the tower plates, a rotating speed convenient regulation and control mechanism and a state monitoring feedback mechanism, the follow-up rod and the tower plates installed on the outer surface of the follow-up rod can be driven to synchronously rotate in the rectifying tower body, so that the gas-liquid contact area is increased, the gas-liquid contact time is prolonged, the mass transfer process between gas and liquid phases is promoted, in the rectifying process, the separation efficiency and purity can be improved, impurities in raw materials can be removed more easily, and the product quality is improved. And the rotation of the tower plate can enhance the mixing of the liquid on the tower plate, so that the liquid is more uniformly distributed on the tower plate, the residence time and dead zone of the liquid on the tower plate are favorably reduced, and the separation efficiency is further improved.

The invention provides an automatic braid labeling machine which comprises a base, the upper surface of the base is fixedly connected with a limiting plate, the upper surface of the limiting plate is fixedly connected with a workbench, the surface of the workbench is fixedly connected with a first supporting rod, and the first supporting rod is fixedly connected to the upper surface of the base; a labeling assembly is arranged on the surface of the workbench and comprises a labeling cylinder arranged above the workbench. A first motor drives a winding wheel to rotate to achieve braid winding, the braid is prevented from slipping by means of anti-slip teeth of a friction chuck, stable and accurate conveying is guaranteed, a linkage transverse rod is driven by related parts to accurately move and rotate, and when the linkage transverse rod is horizontal, a circular ring and the braid are matched to enable a dispensing conical cylinder to output glue in a proper amount, and the range is limited. And the identification sticker accurately falls on the glue dripping position and is pressed by the labeling cylinder and the glue dispensing conical cylinder, so that the labeling quality is improved, the falling of the identification sticker is reduced, the automatic labeling effect is improved, and the braid labeling efficiency is improved.

The present invention discloses a rigid-flexible coupling mechanical arm type plant phenotypic information measurement platform and measurement method, including a crawler walking module, a flexible mechanical arm module and a soft mechanical arm module; the soft mechanical arm module includes a rotating motor and a soft mechanical arm component; the soft mechanical arm component includes an index finger component, a thumb component, a soft pad, etc.; the surface of the index finger end joint, the thumb end joint and the soft pad is arranged with a sensor 1 and a sensor 2; the flexible mechanical arm module of the present invention can accurately control the position and direction, and perform efficient and large-scale phenotypic detection. By designing the flexible joint of the mechanical arm, the vibration generated when the mechanical arm moves is reduced, and damage to the plant is avoided when the plant phenotypic information is manually collected, so as to achieve high-precision and high-efficiency measurement of the plant phenotypic information. The present invention realizes accurate, automatic and non-destructive measurement of the phenotypic parameters of plant organs and the phenotypic parameters of the whole plant through the coordination of the index finger and thumb joint of the flexible part and the telescopic arm of the rigid part.

The invention relates to the technical field of mechanical environment test measurement equipment, and particularly discloses a horizontal impact testing machine and a testing method. The testing machine comprises a base, a working table assembly, a tailstock assembly and a hammer head assembly, the base is provided with a driving assembly, a guiding unit, a table top limiting assembly and a tailstock limiting assembly which are arranged at intervals in the working direction. The working table top assembly is movably connected to the table top limiting assembly and can reciprocate in the working direction relative to the table top limiting assembly, and a positive wave generating unit is arranged on the working table top assembly; the tailstock assembly is movably connected to the tailstock limiting assembly, the tailstock limiting assembly selectively fixes the tailstock assembly, and a negative wave generating unit is arranged on the tailstock assembly; the hammerhead assembly is slidably arranged on the guide unit, and the driving assembly is used for pushing the hammerhead assembly to impact the positive wave generation unit so as to drive the working table assembly to impact the negative wave generation unit. The testing machine is used for carrying out a simulation test according to the requirements of a double-wave impact test, so as to complete the detection, evaluation and verification of a to-be-tested product.

The invention discloses O-shaped ring whole mold full-inspection equipment and a detection method thereof. The O-shaped ring whole mold full-inspection equipment comprises a detection table; the mounting table is fixedly mounted at the top of the detection table; the translation turnover mechanism is fixedly connected to the top of the detection table; the fixing tool is fixedly mounted in the translation turnover mechanism; the detection mechanism is located at the top of the fixing tool, and the top of the detection mechanism is fixedly connected with the bottom of the mounting table; and the positioning mechanism is located at the bottom of the fixing tool, and the bottom of the positioning mechanism is fixedly connected with the top of the detection table. The invention aims to solve the technical problems that when the existing O-shaped ring detection equipment is used for detecting the surface defects of the O-shaped ring, the O-shaped ring and a die of the O-shaped ring are inconvenient to automatically turn over and discharge, and manual work is needed to participate in turning and discharging operation, so that the labor cost is increased, and the detection efficiency of the surface defects of the O-shaped ring is reduced.

A workbench is arranged on the surface of a first rack, a mounting frame is fixedly arranged at the upper end of the workbench, an X-axis moving device is arranged at the upper end of the mounting frame, a Y-axis moving device is arranged at one end of the X-axis moving device, a gluing device is arranged at one end of the Y-axis moving device, and a Z-axis moving device is arranged on the surface of the workbench. A mounting base is arranged at the upper end of the moving device, a clamping jaw seat for mounting clamping jaws is arranged at the upper end of the mounting base, the clamping jaws are symmetrically mounted on the two sides of the clamping jaw seat through embedded hinge structures, and a driving assembly for enabling the clamping jaws to loosen or clamp is arranged at the bottom of the mounting base. A fixing pin for inserting and fixing a workpiece is further fixedly arranged at the position, between the clamping jaws, of the top of the clamping jaw base, an installation base is arranged at the upper end of the Z-axis moving device, the clamping jaw base is arranged at the upper end of the installation base, and the clamping jaws are symmetrically installed on the two sides of the clamping jaw base through embedded hinge structures and can stably clamp or loosen the workpiece in combination with a driving assembly. And the stability of the workpiece in the gluing process is ensured.

The invention provides a device and method for adjusting crystal orientation and equipment for cutting crystal bars, and the device comprises a determining unit which determines the crystal orientation of the first crystal bar according to the rotation angle of the bonded first crystal bar around the axis of the first crystal bar relative to a reference bonding state and the geometrical relationship between the crystal orientation of a wafer cut by the first crystal bar and the contour feature of the wafer; determining a first included angle between the axis of the first crystal bar and the plurality of cutting lines in a cutting line plane, and determining a second included angle between the axis of the first crystal bar and the cutting line plane; the first rotating unit is used for enabling a second crystal bar adhered to the same position as the first crystal bar to rotate around a first rotating axis perpendicular to the plane of the cutting lines based on the first included angle, so that the axis of the second crystal bar is perpendicular to the multiple cutting lines; and the second rotating unit enables the second crystal bar to rotate around a second rotating axis which is perpendicular to the axis of the second crystal bar and parallel to the cutting line plane based on the second included angle, so that the axis of the second crystal bar is parallel to the cutting line plane.

The invention discloses a floating transportation towing physical model test system for yaw and deviation correction simulation, which comprises a tug power simulation system, the tug power simulation system comprises a floating transportation towing platform and a jet flow loading facility, and the main body structure of the floating transportation towing platform is composed of a fixed guide rail, a movable trailer and a power supply guide rail. The movable trailer is erected on the fixed guide rail and is driven by a motor, height-adjustable horizontal slideways are erected on cross beams on the front side and the rear side of the movable trailer, hooks with pulleys are arranged on the horizontal slideways, the hooks are connected with the floating transportation component model through traction cables, and the jet flow loading facility is carried on the movable trailer. A mechanical arm, a high-pressure plunger pump and a jet nozzle are arranged, and the jet nozzle and a water supply pipeline are connected to the tail end of the mechanical arm. The invention further discloses a test method adopting the test system. The device has the function of flexibly simulating the transverse loading of the tug, and can realize the complete similar simulation of the component response in the floating yaw process and the deviation correction process.

The invention relates to the technical field of household appliances, and discloses a control method of cleaning equipment, the cleaning equipment comprises a rolling brush assembly, the rolling brush assembly comprises a rolling brush and a rolling brush cover covering the rolling brush, the rolling brush cover is arranged to float up and down relative to the rolling brush, and the control method comprises the following steps: starting a self-cleaning mode of the cleaning equipment; the cleaning equipment is controlled to conduct self-cleaning on the rolling brush; after the rolling brush completes self-cleaning, the rolling brush cover is controlled to float to the position in contact with the bristles of the rolling brush, and the rolling brush is used for self-cleaning the rolling brush cover through the bristles in the rotating process of the rolling brush. According to the control method of the cleaning equipment, when the cleaning equipment conducts self-cleaning, the rolling brush cover can be driven to make contact with and be attached to the rolling brush, self-cleaning of dirt on the rolling brush cover is achieved, and therefore the technical problems that the cleaning difficulty of the inner wall of the rolling brush cover is large, and the rolling brush cover needs to be cleaned in a manner that the rolling brush cover needs to be detached are solved.

The utility model provides a caliper self-adjusting screw assembling jig which comprises a supporting frame, a clamping frame, a clamping base, a clamping base, a clamping base, a clamping base, a clamping base, a clamping base, a clamping base, a clamping base, a clamping base and a clamping base, and the supporting frame comprises a top plate, a bottom plate and a vertical column connected between the top plate and the bottom plate; the downward pressing mechanism comprises a buckle downward pressing set movably arranged over the clamping base and a first driving device arranged on the top plate; the lateral limiting mechanism comprises two sets of limiting units symmetrically arranged on the two sides of the clamping base, and each limiting unit comprises a limiting clamping block and a second driving device; a first control switch; the self-adjusting screw can be quickly and accurately positioned and fixed through the downward pressing mechanism and the lateral limiting mechanism, the elastic arms on the two sides of the clamping spring are conveniently and automatically pressed into limiting grooves reserved in a shell of the self-adjusting screw, time and errors of manual operation are reduced, and the self-adjusting screw can be quickly and accurately positioned and fixed through the downward pressing mechanism and the lateral limiting mechanism. And the efficiency of assembly operation and the stability of product quality are improved.

The invention relates to the technical field of motor position control, in particular to a direct-current servo motor position control method and system based on operation analysis, and the method comprises the steps: obtaining a target direct-current servo motor, obtaining a target model according to the target direct-current servo motor, obtaining a moving position parameter, and obtaining a plurality of parameter adjustment intervals, obtaining a plurality of parameter combinations based on a plurality of parameter adjustment intervals, obtaining an optimal operation state of a target direct current servo motor, obtaining a moving target site, obtaining a current site of the target direct current servo motor, constructing a moving path based on the current site and the moving target site, obtaining curve characteristics of the moving path, dividing the moving path, and obtaining the target direct current servo motor. The method comprises the steps of obtaining multiple sections of divided paths, simulating the divided paths, confirming energy-optimal parameter combinations, summarizing the energy-optimal parameter combinations, obtaining an energy-optimal parameter combination set, and completing direct current servo motor position control based on operation analysis on the basis of the energy-optimal parameter combination set. According to the invention, efficient energy consumption management and accurate position control can be realized.

The invention provides a wire mesh braiding machine and a braiding technology, and relates to the technical field of wire mesh braiding device.The wire mesh braiding machine comprises a workbench, a material collecting plate is mounted in the workbench, mounting plates are mounted on the side walls of the two sides of the workbench, first driving motors are mounted on the mounting plates, and first rotating shafts are mounted at the output ends of the first driving motors; a driving gear is fixedly mounted on the first rotating shaft, a mounting frame is fixedly mounted on the side wall of the workbench, and a controller and a mounting strip are fixedly mounted on the mounting frame; a feeding mechanism is fixedly mounted at the upper end part of the mounting strip; the feeding mechanism comprises a fixed disc, the fixed disc is fixedly installed on the installation strip, a storage rack is fixedly installed on the fixed disc, inner grooves are formed in the side walls of the two sides of the storage rack, sliding strips are slidably installed in the two inner grooves, all links are tightly connected, the pause and waiting time in production is shortened, continuous production is achieved, and the production efficiency is improved. And the overall production efficiency can be improved.

The deformation correction assistive device for the large-diameter thin-wall sectioning ring comprises a positioning base, a correction rod and an arc-shaped correction block, a plurality of sliding grooves are formed in the circumferential side of the positioning base, and electromagnetic mechanisms are installed on the inner sides of the sliding grooves; a plurality of cantilevers are arranged on the outer side of the positioning base along the peripheral side, supporting frames are arranged on the cantilevers in a sliding mode, and scale marks are arranged on the side walls of the cantilevers in the length direction; the correcting rod is slidably sleeved with the supporting frame, and a limiting protrusion is arranged on the correcting rod on the inner side of the supporting frame. One end of the correcting rod is connected with the arc-shaped correcting block, the other end of the correcting rod slidably extends into the sliding groove and is connected with the electromagnetic mechanism through a spring, and a magnet head corresponding to the electromagnetic mechanism is arranged at the end part of the other end of the correcting rod. The deformation correction size is accurately adjusted through the scale marks on the supporting frame and the cantilever, automatic correction is achieved through the automatic control electromagnetic mechanism, the correction accuracy and efficiency are effectively improved, and good practicability is achieved.

The invention discloses a gastroscope dosing device and method convenient to use, and relates to the technical field of medical instruments. The magnetic control capsule gastroscope comprises a magnetic control capsule gastroscope body and a drug delivery capsule, the drug delivery capsule is used for being matched with movement of the magnetic control capsule gastroscope body to directly deliver drugs to the stomach of a patient, the drug delivery capsule comprises a power capsule, and a drug storage capsule is fixedly installed on the side, away from the magnetic control capsule gastroscope body, of the power capsule. The medicine storage capsule is used for storing medicine, the same folding tube is arranged between the magnetic control capsule gastroscope and the power capsule, and a medicine feeding spray head is fixedly installed at the bottom of the medicine storage capsule. By arranging the power assembly, the magnetic control capsule gastroscope is controlled to carry the administration capsule to move to be close to an affected part, then the power assembly is controlled to extrude a medicament, the medicament is directly sprayed out from the medicament spraying micropores under the pressure effect, then the medicament liquid is sprayed to the affected part, and direct administration is achieved; the problem that a traditional capsule gastroscope can only be used for observation and cannot be used for administration is solved.

The invention discloses a stamping device for building steel component machining, and relates to the technical field of building steel component machining, the stamping device comprises a feeding assembly, a stamping machine is arranged on one side of the feeding assembly, and a discharging assembly is arranged on the side, away from the feeding assembly, of the stamping machine; a first boss is fixedly connected to the upper side of the first workbench, a first cavity is formed in the first boss, an opening is formed in one side of the center line of the first cavity, a first conveying assembly is arranged in the first cavity, and a second conveying assembly is arranged on the first workbench. The first conveying assembly and the second conveying assembly are symmetrically arranged with the outer wall of the side, close to the center line, of the first boss as the reference, the first conveying assembly comprises a second rack, and the side, facing an opening of the first cavity, of the second rack is rotationally connected with a plurality of first rotating rollers. And two sets of hydraulic telescopic cylinders II are fixedly connected to the side, deviating from the rotating roller I, of the rack II. The building steel component punching device has the characteristic that the punching precision and quality of building steel components are improved.

The utility model relates to the technical field of ultrasonic medical imaging, in particular to a medical ultrasonic coupling agent automatic spraying device which comprises a base used for placing an ultrasonic probe, a fixing seat arranged above the base and used for installing a coupling agent, and a supporting rod connected between the base and the fixing seat. The fixed seat is provided with a plurality of infrared induction probes and a coupling mechanism, and the plurality of infrared induction probes are uniformly distributed at the bottom end of the fixed seat; the coupling mechanism is arranged in the fixed seat, and one end of the coupling mechanism is communicated with the coupling agent; when the ultrasonic probe is placed on the base, the infrared induction probe automatically detects the size and the position of the ultrasonic probe, and a coupling agent is accurately and uniformly sprayed on the ultrasonic probe through the coupling mechanism; according to the device, an advanced infrared sensing technology is adopted, and accurate recognition of an ultrasonic probe and uniform spraying of a coupling agent are achieved; therefore, the coating efficiency is improved, the waste of the coupling agent is reduced, and the accuracy of each inspection is ensured.

The utility model discloses a kind of surface texture etching devices of welcome pedal, including chassis, two groups of side plates are fixedly connected in the chassis inner side wall, first sliding rod is fixedly connected between side plate, first screw rod is rotatably connected between side plate, first screw rod surface is threadedly connected with screw sleeve A, screw sleeve A surface is fixedly connected with first mobile element, first mobile element side wall is fixedly connected with groove plate, second sliding rod is fixedly connected in groove plate inner side wall, second screw rod is rotatably connected in groove plate inner side wall, second screw rod surface is threadedly connected with screw sleeve B, screw sleeve B surface is fixedly connected with second mobile element, groove plate side wall is slidably connected with etching laser group;The utility model can realize the linkage of etching laser group in XYZ three axes, positioning accuracy, the position and moving path of etching laser group can be flexibly changed, different shape and complex degree of texture etching demand can be adapted, different sizes of welcome pedal can also be conveniently processed.

The utility model relates to the technical field of vacuum equipment, in particular to a novel vacuum equipment locking device. The technical problems that according to an existing locking device, a sealing plate and a vacuum box are tightly attached and sealed in a mechanical locking mode, due to the fact that materials can expand or contract when the temperature changes, a tiny gap exists between a door plate and the vacuum box, the vacuum degree in the vacuum box is reduced due to leakage of internal air, and the overall sealing performance is reduced are solved. And the safety risk is caused by the unstable internal pressure of the vacuum box, and the use risk of the equipment is increased. According to the technical scheme, the novel vacuum equipment locking device comprises a vacuum box, a locking assembly, a sealing assembly, a supporting assembly and an air exhaust assembly; the air cylinder is connected with the hydraulic rod, after the door plate and the vacuum box are attached, the door plate is pulled backwards, secondary tight attachment is carried out, automatic control is achieved, the gap between the door plate and the vacuum box is further reduced, and gas leakage is prevented.

The invention belongs to the technical field of humanoid robots, and particularly relates to a multistage linear lifting mechanism and a humanoid robot. The first-stage column body is fixedly connected with the bottom mounting piece; the second-stage column body is arranged on the first-stage column body in a sliding manner; the third-stage column body is arranged in the second-stage column body in a sliding manner; the driving device comprises an electric cylinder fixed on the bottom mounting piece and a servo motor connected with the electric cylinder, and the output end of the electric cylinder is connected with the second-stage column body through an electric cylinder connecting piece and a second-stage column connecting piece; the driving device drives the second-stage column body to move relative to the first-stage column body, and drives the third-stage column body to move at the speed twice the moving speed of the second-stage column body through the transmission mechanism. The novel structural layout is adopted, the dynamic upsetting moment resistance of the mechanism is greatly improved, the occupied space of the mechanism is reduced, and the operation speed of the mechanism during action execution is increased.

The utility model discloses a power transmission and distribution line installation structure for electrical automation, which belongs to the technical field of power transmission and distribution line installation and comprises an installation plate and an installation ring. The limiting groove is formed in the inner wall of the mounting ring, a plurality of matched limiting plates are slidably connected into the limiting groove, one end of each limiting plate extends to the outside, and a fixing frame is arranged on each limiting plate; according to the utility model, the plurality of movable limiting plates and the plurality of fixing frames are arranged in the mounting ring, and the two limiting plates arranged on one side of the mounting ring and the two abutting rings in close fit with the limiting plates are matched, so that power transmission and distribution lines at different positions can be accurately and conveniently mounted; and the stability of the power transmission and distribution line after installation is ensured, and the potential safety hazard caused by deviation or looseness of the line position is effectively avoided, so that the power transmission and distribution line installation structure for electrical automation has excellent stability and applicability.

The invention relates to the technical field of reflective color films, in particular to a multi-reflective color film and production equipment thereof.The multi-reflective color film comprises an operation base, winding assemblies are fixedly installed at the top of the operation base, the winding assemblies are divided into two groups, the two ends of a multi-color film body are connected to the two winding assemblies in a wound mode respectively, and a limiting sliding groove is formed in one end of the top of the operation base; a transverse moving adjusting assembly is installed in the limiting sliding groove, an L-shaped mounting frame is installed on the transverse moving adjusting assembly, a vertical telescopic rod is fixedly connected to one end of the L-shaped mounting frame in an inserted mode, a mounting strip block is fixedly installed at the telescopic end of the vertical telescopic rod, and a rotary angle adjusting assembly and a reflective pigment spraying assembly are installed on the mounting strip block. According to the invention, the film surface has a three-dimensional layering sense, the visual impact force is obviously improved, the reflective effect is better, the spraying operation on the multicolor film body can be ensured to be accurate and flexible, the requirements of different pattern and color design are met, and meanwhile, the definition and color uniformity of patterns on the surface of the multicolor reflective film can be realized.

The utility model discloses a drum-type dry powder mixer for coating production, which comprises a mixing tank, a tank cover, a bottom shaking mechanism, a quick clamping mechanism and a clamping auxiliary mechanism, the bottom shaking mechanism comprises a hydraulic cylinder, a frame, a bottom plate, a shaking frame and a vertical frame, the rapid clamping mechanism comprises a clamping pipe, a clamping rod, a clamping groove, a locking rod, a rotating sleeve, a stabilizing spring, a moving rod and a moving groove, the clamping auxiliary mechanism comprises a directional pushing pipe, a gear strip, a rotating gear, a pushing plate, a labor-saving spring and a lateral plate, and the mixing tank can act in multiple directions due to the design of a shaking frame; the materials with various viscosities can be more effectively treated through multi-direction shaking, the mixing effect is ensured, the mixing tank can be rapidly connected with or separated from the bottom frame through the rapid clamping mechanism, the assembling and disassembling efficiency of the equipment is greatly improved, the position of the clamping rod can be accurately controlled through the clamping auxiliary mechanism, and the equipment is convenient to use. And more accurate and firmer butt joint between the mixing tank and the underframe is ensured.

The invention belongs to the technical field of wind tunnel tests, and discloses a model pose video measurement system calibration device and a positioning method thereof. An XYZ-direction linear displacement driving mechanism and a three-degree-of-freedom angle adjusting mechanism are sequentially fixed above a multifunctional chassis of the calibration device, a calibration plate is fixed on the three-degree-of-freedom angle adjusting mechanism, and a communication module is fixed on the side surface of the multifunctional chassis; the manual operator sends a control instruction to the communication module, then transmits the control instruction to the upper computer and converts the control instruction into a control signal, the control signal is transmitted to the communication module, and finally each mechanism is driven to adjust the position of the calibration plate. The positioning method comprises the steps that all the linear displacement mechanisms are operated in place; adjusting the grating encoder; dividing a test area; the calibration device is operated in place; adjusting the position of the multifunctional chassis; acquiring an image of the calibration plate; calibrating a test area I; calibrating all test areas; and removing the calibration device. The calibration device and the positioning method thereof solve the problems of low efficiency and data errors caused by manual arrangement of the calibration plate, and have engineering practical value.

The utility model discloses a fender and headlamp installation integrated assembly and a vehicle, and belongs to the field of vehicles. The fender and headlamp installation integrated assembly comprises a fender assembly and a headlamp, Z-direction limiting is conducted on the fender assembly and the headlamp through a Z-direction limiting structure, the Z-direction limiting structure comprises a limiting convex rib and a limiting groove, one of the limiting convex rib and the limiting groove is arranged on the headlamp, and the other one of the limiting convex rib and the limiting groove is arranged on the fender assembly. The limiting groove is provided with a first side wall face arranged upwards and a second side wall face arranged downwards, the second side wall face and the first side wall face form an included angle, and the first side wall face is used for abutting against the lower end of the side wall face of the limiting convex rib, so that it is guaranteed that the headlamp is firmly installed, and the phenomenon that the headlamp is misplaced with a fender and a front bumper fit clearance is avoided; when the main positioning pin and the auxiliary positioning pin of the headlamp are assembled with the corresponding positioning holes, the operation is simple, and the assembling and disassembling convenience and efficiency are improved. The positioning stability when the headlamp and the front wing assembly are assembled can be improved, and adjustment is easy in the trial-manufacturing stage.

This invention relates to the field of printing equipment technology, specifically to a method for printing 3D effect patterns based on multi-color overlay, comprising the following steps: S1, placing the workpiece to be printed on a base; S2, aligning the screen with the base, and printing ink onto the workpiece using a squeegee; S3, replacing the screen, and printing again using the squeegee, with multiple overlapping prints creating a 3D effect pattern on the workpiece surface; the screen mentioned in step S2 includes a frame and a mesh fabric. The frame includes two support rods and four telescopic rods. The two support rods are arranged in parallel, and the telescopic rods include a main rod and a secondary rod, with the main rod and secondary rod slidingly engaged; the four telescopic rods are interconnected to form a rectangular frame, with two telescopic rods respectively positioned on the two support rods, and a first magnetic block on each of the main rod and secondary rods. This invention solves the problem of printing quality being affected by screen deformation through the frame, mesh fabric, and adjustment mechanism.

The invention relates to the technical field of thermal interface material defect detection, in particular to a nondestructive detection method and system for thermal interface material application defects, and the system comprises an electric displacement table, heating laser, detection laser, a photoelectric detector, an acoustic optical modulator, a lock-in amplifier, an optical element and a data processing unit; the electric displacement table is used for fixing a sample and accurately controlling the position of the sample; the sample is of a silicon-thermal interface material-substrate sandwich structure; the upper-layer silicon wafer of the sample is plated with a metal film as a transduction layer; the heating laser is used for heating the sample; the acoustic optical modulator is used for modulating the heating laser, so that the heating laser heats the sample in a sine wave form; the detection laser is used for detecting sample temperature fluctuation; the photoelectric detector is used for collecting and detecting laser reflection signals; the lock-in amplifier is used for extracting and detecting laser phase and amplitude signals. According to the invention, non-destructive rapid detection of the defects of the thermal interface material in an application scene can be realized.